Oldclassiccalc-2.0-setup.exe -

OldClassicCalc 2.0 — Feature Summary

• Classic UI: Restored look-and-feel of traditional calculators (16-bit style), with resizable window and optional skin support.
• Modes: Standard, Scientific, Programmer (binary/hex/oct), and Statistics.
• Keyboard Support: Full hotkey mappings, customizable shortcuts, and numpad-friendly input.
• History & Memory: Persistent calculation history pane, 10 memory slots, and copy/paste of entries.
• Precision: Configurable decimal places (0–15) and optional arbitrary-precision mode for large-number arithmetic.
• Functions: Basic ops (+ − × ÷), percent, reciprocal, factorial, power, roots, trig (deg/rad), hyperbolic, logarithms, gamma function, and complex-number support.
• Conversions: Unit and base conversions (length, mass, time, temperature, bytes, angle; bin/hex/oct/dec).
• Custom Constants & Functions: User-defined constants and simple formula macros saved to a local file.
• Scripting: Lightweight scripting with safe sandbox (limited I/O) for automating repetitive calculations.
• Export/Import: Export history and session to CSV/plain text; import custom constants/functions from JSON.
• Accessibility: High-contrast theme, adjustable font sizes, and screen-reader labels.
• Localization: Multi-language UI and locale-aware number formatting.
• Installer Options: Silent install/uninstall switches, portable mode option, and per-user or system-wide installation.
• Security & Privacy: No telemetry; settings stored locally with optional encryption for saved scripts/constants.
• Help & Support: Integrated help file, keyboard shortcut list, and links to changelog and bug tracker.

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Disclaimer: This article is for educational purposes. OldClassicCalc is not an official Microsoft product. Always scan executable files before running them. oldclassiccalc-2.0-setup.exe

However, as of this article's publication, no official 3.0 roadmap exists. Version 2.0 remains the gold standard and will likely continue working through at least Windows 12, as it relies only on core Win32 APIs that Microsoft is loath to deprecate. OldClassicCalc 2

The installer is typically a small executable (less than 2MB) that performs the following actions: as of this article's publication

• Start Menu Shortcut (default: on)
• Desktop Shortcut (optional)
• Replace Windows default calculator – ⚠️ Proceed with caution. This changes which app opens when you press Win + R > calc.

Is often used by those who find the modern app too slow or prefer the original skin.

Would you like a one-page installer page (short description + command-line options) or a JSON manifest of these features for packaging?